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<div class="title">udpXcp.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="udpxcp_8h.html">udpxcp.h</a>&quot;</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;QDataStream&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;QtDebug&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="struct_xcp_ethernet_msg.html">   16</a></span>&#160;<span class="keyword">struct </span><a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a> {</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    uint16_t len;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    uint16_t ctr;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    QByteArray packet;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    <a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a>() {}</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a>(uint16_t len, uint16_t ctr, QByteArray packet) : len(len), ctr(ctr), packet(packet) {}</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;};</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;QDataStream&amp; operator&lt;&lt;(QDataStream&amp; stream, <span class="keyword">const</span> <a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a>&amp; xcpEthernetMsg) {</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    stream &lt;&lt; xcpEthernetMsg.len &lt;&lt; xcpEthernetMsg.ctr;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <span class="keywordtype">int</span> ret = stream.writeRawData(xcpEthernetMsg.packet.data(), xcpEthernetMsg.len);</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span class="keywordflow">if</span>(ret == -1) {</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        qCritical() &lt;&lt; <span class="stringliteral">&quot;Error: udpXcp: writeRawData().&quot;</span>;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    }</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;    <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;}</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt; T <span class="keyword">get</span>(QDataStream&amp; stream) {</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    T value;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    stream &gt;&gt; value;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    <span class="keywordflow">return</span> value;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;}</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;QDataStream&amp; operator&gt;&gt;(QDataStream&amp; stream, <a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a>&amp; xcpEthernetMsg) {</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    xcpEthernetMsg.len = get&lt;uint16_t&gt;(stream);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    xcpEthernetMsg.ctr = get&lt;uint16_t&gt;(stream);</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <span class="keywordtype">char</span>* tmp = <span class="keyword">new</span> <span class="keywordtype">char</span>[xcpEthernetMsg.len];</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    stream.readRawData(tmp, xcpEthernetMsg.len);</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    xcpEthernetMsg.packet.clear();</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    xcpEthernetMsg.packet.append(tmp, xcpEthernetMsg.len);</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="keyword">delete</span>[] tmp;</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <span class="keywordflow">return</span> stream;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;}</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;UdpXcp::UdpXcp(QObject *parent) : QObject(parent) {</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    udpSocket = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    ipClient = QHostAddress();</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    portClient = 0;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    endian = QDataStream::ByteOrder::LittleEndian;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    packetCounter = 0;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;}</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;UdpXcp::~UdpXcp() {</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keyword">delete</span> udpSocket;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;}</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="keywordtype">bool</span> UdpXcp::initSocket(<span class="keyword">const</span> <a class="code" href="class_ethernet_config.html">EthernetConfig</a>&amp; ethernetConfig, <span class="keyword">const</span> XcpOptions::ENDIAN&amp; endian) {</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    packetCounter = 0;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    ipClient = ethernetConfig.getIpClient();</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    portClient = ethernetConfig.getPortClient();</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">if</span>(endian == XcpOptions::ENDIAN::ENDIAN_LITTLE) {</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        this-&gt;endian = QDataStream::ByteOrder::LittleEndian;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        this-&gt;endian = QDataStream::ByteOrder::BigEndian;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    }</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    udpSocket = <span class="keyword">new</span> QUdpSocket(<span class="keyword">this</span>);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    QObject::connect(udpSocket, SIGNAL(readyRead()), <span class="keyword">this</span>, SLOT(readPendingDatagrams()));</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> PORT_RANDOM = 0;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keywordtype">bool</span> ret = udpSocket-&gt;bind(ethernetConfig.getIpHost(), PORT_RANDOM);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordflow">if</span>(!ret) {</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        qCritical() &lt;&lt; <span class="stringliteral">&quot;Error: udpXcp: initSocket(): failed to bind udp socket.&quot;</span>;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    }</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;}</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keywordtype">void</span> UdpXcp::writeDatagram(<span class="keyword">const</span> QByteArray&amp; payload) {</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a> xcpEthernetMsg(payload.size(), packetCounter, payload);</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    QByteArray buffer;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    QDataStream stream(&amp;buffer, QIODevice::WriteOnly);</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    stream.setByteOrder(endian);</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    stream &lt;&lt; xcpEthernetMsg;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    udpSocket-&gt;writeDatagram(buffer, ipClient, portClient);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    packetCounter++;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    printMsg(<span class="stringliteral">&quot;CMD&quot;</span>, xcpEthernetMsg.len, xcpEthernetMsg.ctr, xcpEthernetMsg.packet);</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;}</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keywordtype">void</span> UdpXcp::readPendingDatagrams() {</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <a class="code" href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a> xcpEthernetMsg;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordflow">while</span> (udpSocket-&gt;hasPendingDatagrams()) {</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        QByteArray buffer(udpSocket-&gt;pendingDatagramSize(), Qt::Uninitialized);</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        QDataStream stream(&amp;buffer, QIODevice::ReadOnly);</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        stream.setByteOrder(endian);</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        udpSocket-&gt;readDatagram(buffer.data(), buffer.size());</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        stream &gt;&gt; xcpEthernetMsg;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        emit sigResponseReceived(xcpEthernetMsg.packet);</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        printMsg(<span class="stringliteral">&quot;RESP.&quot;</span>, xcpEthernetMsg.len, xcpEthernetMsg.ctr, xcpEthernetMsg.packet);</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    }</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;}</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="keywordtype">void</span> UdpXcp::printMsg(<span class="keyword">const</span> QString&amp; msgName, <span class="keyword">const</span> uint16_t&amp; len, <span class="keyword">const</span> uint16_t&amp; ctr, <span class="keyword">const</span> QByteArray&amp; packet) {</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    qDebug() &lt;&lt; msgName &lt;&lt; <span class="stringliteral">&quot;length:&quot;</span> &lt;&lt; len &lt;&lt; <span class="stringliteral">&quot;counter:&quot;</span> &lt;&lt; ctr &lt;&lt; <span class="stringliteral">&quot;packet:&quot;</span> &lt;&lt; packet.toHex(<span class="charliteral">&#39; &#39;</span>).toUpper();</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;}</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div><div class="ttc" id="class_ethernet_config_html"><div class="ttname"><a href="class_ethernet_config.html">EthernetConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="ethernetconfig_8h_source.html#l00015">ethernetconfig.h:15</a></div></div>
<div class="ttc" id="struct_xcp_ethernet_msg_html"><div class="ttname"><a href="struct_xcp_ethernet_msg.html">XcpEthernetMsg</a></div><div class="ttdef"><b>Definition:</b> <a href="udp_xcp_8cpp_source.html#l00016">udpXcp.cpp:16</a></div></div>
<div class="ttc" id="udpxcp_8h_html"><div class="ttname"><a href="udpxcp_8h.html">udpxcp.h</a></div><div class="ttdoc">XCP transport layer, Ethernet UDP/IP implementation. </div></div>
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